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Where the formula sn=n(n+1)/2 of chapter …

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Where the formula sn=n(n+1)/2 of chapter arithmetic progression use

Posted by Aditya Chaturvedi 6 years, 10 months ago

CBSE > Class 10 > Mathematics

5 answers

Ritika Bisht 6 years, 10 months ago

L = an

Ritika Bisht 6 years, 10 months ago

Sn=n/2(a+l)

Ritika Bisht 6 years, 10 months ago

Sn=n/2(2a+(n-1)d

Geetanand Yadav 6 years, 10 months ago

Ye vo formula nhi hai wrong answer sorry.....

Geetanand Yadav 6 years, 10 months ago

To find the sum of n terms

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